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pseudoephedrine

American  
[soo-doh-i-fed-rin, -ef-i-dreen, -drin] / ˌsu doʊ ɪˈfɛd rɪn, -ˈɛf ɪˌdrin, -drɪn /

noun

Pharmacology.
  1. a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.


pseudoephedrine British  
/ ˌsjuːdəʊˈɛfɪˌdriːn, -ˌdrɪn /

noun

  1. a drug similar in action to ephedrine, used extensively as a decongestant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pseudoephedrine

pseudo- + ephedrine

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The UK-wide review for pseudoephedrine was initiated after regulators in France alerted European drugs regulator the EMA, which is also conducting a review, about some recent, rare cases.

From BBC • Feb. 23, 2023

Oral decongestants such as phenylephrine or pseudoephedrine can also raise blood pressure.

From Seattle Times • Dec. 8, 2021

That’s the only place I can think of where pineapple exposure might coincide with cough syrup old enough to still contain pseudoephedrine.

From New York Times • Oct. 14, 2021

Be cautious with: Products that contain the decongestants phenylephrine or pseudoephedrine, such as certain OTC multisymptom cold and cough remedies.

From Washington Post • Aug. 6, 2021

The Greenwood Commonwealth on allowing the sale of ephedrine and pseudoephedrine cold and sinus medications without a prescription:

From Washington Times • Mar. 17, 2021

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